Comfort Bilstein street shocks will gave you an unparalleled combination of comfort and control when paired with BMW springs. Thanks to a patented oil and nitrogen gas design, Bilstein shocks reduce body roll to deliver exceptional road handling and cornering stability. They also reduce wear and tear on steering and suspension components and increase tire life by dampening wheel movements on the roughest roads and in the tightest corners. Superior design, precision manufacturing and attention to quality are Bilstein's high-pressure gas street shocks are known as the world's top performing street shocks